extern int ldp_(doublereal *g, integer *mdg, integer *m, integer *n, doublereal *h__, doublereal *x, doublereal *xnorm, doublereal *w, integer *index, integer *mode);
/*:ref: nnls_ 14 11 7 4 4 4 7 7 7 7 7 4 4 */
/*:ref: diff_ 7 2 7 7 */
